The surface area of an adsorbent depends on its structure, the more pores it has, the greater the area, which has a big influence on reactions on surfaces.
folksy
follicle
follow
follower
following
follow-up
folly
foment
fond
fondle
fondly
fondness
font
food
food poisoning
food processor
food stamp
foodstuff
fool
foolhardy
foolish
foolishly
foolishness
foolproof
foot
footage
football
footbridge
foothill
foothold
footing
footlights
footlocker
footloose
footnote
footpath
footprint
footsie
footstep
footwear
footwork
for
forage
foray
forbade
forbear
forbearance
forbid
forbidden
forbidding
forbore
forborne
force
forced
force-fed
force-feed
forceful
forcefully
forceps
forcible
forcibly
ford
fore
forearm
foreboding
forecast
foreclose
foreclosure
forefinger
forefront
foreground
forehand
forehead
foreign
foreigner
foreign exchange
foreman
foremost
forensic
foreplay
forerunner
foresaw
foresee
foreseeable
foreseen
foreshadow
foresight
foreskin
forest
forestall
forestry
foretaste
foretell
forethought
foretold
forever
forewarn
foreword
forfeit
forgave
forge
forger
forgery
forget
forgetful
forgetfulness
forget-me-not
forgivable
forgive
forgiven
forgiveness
forgiving
forgo
forgone
forgot
forgotten
fork
forked
forklift
forlorn
form
formal
formaldehyde
formality
formalize
formally
three
acids
definition
allow
comparison
normalized
structure
adsorbent
influence
area